JBL Flip 4 vs Ultimate Ears WONDERBOOM 4

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Flip 4 compared with WONDERBOOM 4

	JBLFlip 4	Ultimate EarsWONDERBOOM 4
Overview
Released
Released	2017	June 2024
Sound
Type
Type	Portable speaker	Portable speaker
Channels
Channels	stereo	–
Dolby Atmos
Dolby Atmos	No	No
Drivers
Drivers	Two 40 mm drivers and two external passive radiators	Two 40 mm active drivers and two 46.1 × 65.2 mm passive radiators; 360° sound; maximum sound level 86 dBC (normal) or 87 dBC (Outdoor Boost)
Room tuning
Room tuning	–	Outdoor Boost; podcast EQ mode
Amplifiers
Amplifiers	2 × 8 W	–
Frequency response
Frequency response	70 Hz – 20 kHz; signal-to-noise ratio at least 80 dB	–
Audio formats
Audio formats	SBC Bluetooth codec only (SoundGuys)	–
Connections
Wi-Fi
Wi-Fi	No	No
Bluetooth
Bluetooth	Yes	Yes
AirPlay
AirPlay	No	No
Voice assistants
Voice assistants	None	None
Bluetooth
Bluetooth	Bluetooth 4.2; A2DP 1.3, AVRCP 1.6, HFP 1.6 and HSP 1.2; two phones or tablets can connect and take turns	Bluetooth (version not published); 40 m range; connects to two source devices at once
Ports
Ports	Micro-USB charging and 3.5 mm audio input behind a cover; no USB power-bank output listed	USB-C for charging
Multi-room
Multi-room	JBL Connect+ links more than 100 compatible speakers; cannot link with a Flip 3 using original Connect (SoundGuys)	Pairs with a second WONDERBOOM 4, as a double-up or a left and right stereo pair
App
App	Siri or Google Now integration uses a connected phone; these are not built-in assistants	–
Design
Battery life (maker's claim)
Battery life (maker's claim)	Up to 12 hours	Up to 14 hours
Water and dust resistance
Water and dust resistance	IPX7	IP67
Weight
Weight	0.51 kg	0.42 kg (better)
Battery life detail
Battery life detail	Up to 12 hours depending on volume and content; 3.7 V / 3,000 mAh lithium-ion polymer battery; 3.5 hours to charge at 5 V / 1 A	Up to 14 hours; charges over USB-C (cable not included)
Mounting
Mounting	–	Bungee loop attached
Microphones
Microphones	Noise- and echo-cancelling speakerphone	–
Size
Size	175 × 68 × 70 mm (W × H × D), from the specification sheet; current product page lists 0.51 kg, while the sheet gives 515 g	104 mm tall, 95.3 mm wide
Colours
Colours	Black, White, Teal, Gray, Red and Blue at launch	Active Black, Cobalt Blue (Ultimate Ears UK gallery)
In the box
In the box	Flip 4, micro-USB cable, safety sheet, quick start guide and warranty card	WONDERBOOM 4 with attached bungee